remove hepa dep

examples/app/go.sum

@@ -1,14 +1,5 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/markbates/errx v1.1.0 h1:QDFeR+UP95dO12JgW+tgi2UVfo0V8YBHiUIOaeBPiEI=
-github.com/markbates/errx v1.1.0/go.mod h1:PLa46Oex9KNbVDZhKel8v1OT7hD5JZ2eI7AHhA0wswc=
 github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b h1:ns0oO2sMEoFJMmrbiWzGQO5AR3GgqfYRAos0gz8C0Cw=
 github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b/go.mod h1:jHlCX3RNqF+epcY1FxjLyDGzr3l9+mNCh3YDDw6BFvY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -18,7 +9,5 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

go.mod

@@ -5,7 +5,6 @@ go 1.13
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
-	github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b
 	github.com/stretchr/testify v1.4.0
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )

go.sum

@@ -7,8 +7,6 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b h1:ns0oO2sMEoFJMmrbiWzGQO5AR3GgqfYRAos0gz8C0Cw=
-github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b/go.mod h1:jHlCX3RNqF+epcY1FxjLyDGzr3l9+mNCh3YDDw6BFvY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

here/info.go

@@ -9,8 +9,8 @@ import (
 	"runtime"
 	"strings"
 
-	"github.com/markbates/hepa"
-	"github.com/markbates/hepa/filters"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
 )
 
 // Info represents details about the directory/package

here/module.go

@@ -3,8 +3,8 @@ package here
 import (
 	"encoding/json"
 
-	"github.com/markbates/hepa"
-	"github.com/markbates/hepa/filters"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
 )
 
 type Module struct {

internal/takeon/github.com/markbates/hepa/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2019 Mark Bates
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

internal/takeon/github.com/markbates/hepa/filter.go

@@ -0,0 +1,35 @@
+package hepa
+
+import "bytes"
+
+type Filter interface {
+	Filter([]byte) ([]byte, error)
+}
+
+type FilterFunc func([]byte) ([]byte, error)
+
+func (f FilterFunc) Filter(b []byte) ([]byte, error) {
+	return f(b)
+}
+
+func Rinse(p Purifier, s, r []byte) Purifier {
+	return WithFunc(p, func(b []byte) ([]byte, error) {
+		b = bytes.ReplaceAll(b, s, r)
+		return b, nil
+	})
+}
+
+func Clean(p Purifier, s []byte) Purifier {
+	return WithFunc(p, func(b []byte) ([]byte, error) {
+		if bytes.Contains(b, s) {
+			return []byte{}, nil
+		}
+		return b, nil
+	})
+}
+
+func Noop() FilterFunc {
+	return func(b []byte) ([]byte, error) {
+		return b, nil
+	}
+}

internal/takeon/github.com/markbates/hepa/filters/env.go

@@ -0,0 +1,42 @@
+package filters
+
+import (
+	"os"
+	"strconv"
+	"strings"
+)
+
+var env = func() map[string]string {
+	m := map[string]string{}
+
+	for _, line := range os.Environ() {
+		kv := strings.Split(line, "=")
+
+		k, v := kv[0], kv[1]
+		kt, vt := strings.TrimSpace(k), strings.TrimSpace(v)
+
+		if len(kt) == 0 || len(vt) == 0 {
+			continue
+		}
+
+		switch k {
+		case "GO111MODULE":
+			continue
+		}
+
+		switch v {
+		case "true", "TRUE", "false", "FALSE", "null", "nil", "NULL":
+			continue
+		}
+
+		if _, err := strconv.Atoi(k); err == nil {
+			continue
+		}
+		if _, err := strconv.Atoi(v); err == nil {
+			continue
+		}
+
+		m[k] = v
+	}
+	return m
+}()

internal/takeon/github.com/markbates/hepa/filters/filters.go

@@ -0,0 +1,12 @@
+package filters
+
+type FilterFunc func([]byte) ([]byte, error)
+
+func (f FilterFunc) Filter(b []byte) ([]byte, error) {
+	return f(b)
+}
+
+type dir struct {
+	Dir string
+	Err error
+}

internal/takeon/github.com/markbates/hepa/filters/golang.go

@@ -0,0 +1,51 @@
+package filters
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+)
+
+func Golang() FilterFunc {
+	return func(b []byte) ([]byte, error) {
+		gp, err := gopath(home)
+		if err != nil {
+			return nil, err
+		}
+
+		b = bytes.ReplaceAll(b, []byte(gp.Dir), []byte("$GOPATH"))
+
+		gru, err := goroot(gp)
+		if err != nil {
+			return nil, err
+		}
+		b = bytes.ReplaceAll(b, []byte(gru.Dir), []byte("$GOROOT"))
+		return b, nil
+	}
+}
+
+func goroot(gp dir) (dir, error) {
+	gru, ok := os.LookupEnv("GOROOT")
+	if !ok {
+		if gp.Err != nil {
+			return gp, gp.Err
+		}
+		gru = filepath.Join(string(gp.Dir), "go")
+	}
+	return dir{
+		Dir: gru,
+	}, nil
+}
+
+func gopath(home dir) (dir, error) {
+	gp, ok := os.LookupEnv("GOPATH")
+	if !ok {
+		if home.Err != nil {
+			return home, home.Err
+		}
+		gp = filepath.Join(string(home.Dir), "go")
+	}
+	return dir{
+		Dir: gp,
+	}, nil
+}

internal/takeon/github.com/markbates/hepa/filters/home.go

@@ -0,0 +1,31 @@
+package filters
+
+import (
+	"bytes"
+	"os"
+)
+
+var home = func() dir {
+	var d dir
+	home, ok := os.LookupEnv("HOME")
+	if !ok {
+		pwd, err := os.Getwd()
+		if err != nil {
+			d.Err = err
+			return d
+		}
+		home = pwd
+	}
+	d.Dir = home
+
+	return d
+}()
+
+func Home() FilterFunc {
+	return func(b []byte) ([]byte, error) {
+		if home.Err != nil {
+			return b, home.Err
+		}
+		return bytes.ReplaceAll(b, []byte(home.Dir), []byte("$HOME")), nil
+	}
+}

internal/takeon/github.com/markbates/hepa/filters/secrets.go

@@ -0,0 +1,29 @@
+package filters
+
+import (
+	"bytes"
+	"strings"
+)
+
+func Secrets() FilterFunc {
+	return func(b []byte) ([]byte, error) {
+		for k, v := range env {
+			for _, s := range secretSuffixes {
+				if !strings.HasSuffix(k, s) {
+					continue
+				}
+				b = bytes.ReplaceAll(b, []byte(v), []byte(mask()))
+				break
+			}
+		}
+		return b, nil
+	}
+}
+
+var secretSuffixes = []string{
+	"_KEY",
+	"_SECRET",
+	"_TOKEN",
+	"_PASSWORD",
+	"_PASS",
+}

internal/takeon/github.com/markbates/hepa/hepa.go

@@ -0,0 +1,15 @@
+package hepa
+
+func WithFunc(p Purifier, fn FilterFunc) Purifier {
+	c := New()
+	c.parent = &p
+	c.filter = fn
+	return c
+}
+
+func With(p Purifier, f Filter) Purifier {
+	c := New()
+	c.parent = &p
+	c.filter = f
+	return c
+}

internal/takeon/github.com/markbates/hepa/purifier.go

@@ -0,0 +1,67 @@
+package hepa
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
+)
+
+type Purifier struct {
+	parent *Purifier
+	filter Filter
+}
+
+func (p Purifier) Filter(b []byte) ([]byte, error) {
+	if p.filter == nil {
+		p.filter = filters.Home()
+	}
+	b, err := p.filter.Filter(b)
+	if err != nil {
+		return b, err
+	}
+	if p.parent != nil {
+		return p.parent.Filter(b)
+	}
+	return b, nil
+}
+
+func (p Purifier) Clean(r io.Reader) ([]byte, error) {
+	bb := &bytes.Buffer{}
+
+	if p.filter == nil {
+		if p.parent != nil {
+			return p.parent.Clean(r)
+		}
+		_, err := io.Copy(bb, r)
+		return bb.Bytes(), err
+	}
+
+	home := filters.Home()
+	reader := bufio.NewReader(r)
+	for {
+		input, _, err := reader.ReadLine()
+		if err != nil && err == io.EOF {
+			break
+		}
+		input, err = p.Filter(input)
+		if err != nil {
+			return nil, err
+		}
+		input, err = home(input)
+		if err != nil {
+			return nil, err
+		}
+		bb.Write(input)
+		// if len(input) > 0 {
+		bb.Write([]byte("\n"))
+		// }
+	}
+
+	return bb.Bytes(), nil
+}
+
+func New() Purifier {
+	return Purifier{}
+}

internal/takeon/github.com/markbates/hepa/version.go

@@ -0,0 +1,4 @@
+package hepa
+
+// Version of hepa
+const Version = "v0.0.1"